7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride, cas is 99365-69-2, it is a common heterocyclic compound, the tetrahydroisoquinoline compound, its synthesis route is as follows.
(4-2-1) To 125 ml of suspension in ethanol of 136 g of 7-nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride was added 98 ml of triethylamine and 83 ml of ethyl acrylate, and the solution was heated and stirred overnight under reflux. The solution was concentrated under reduced pressure, and the residue was extracted with ethyl acetate, washed with water, and dried with anhydrous sodium sulfate. After separating the desiccant by filtration, the filtrate was concentrated under reduced pressure to obtain 2-(2-(ethoxycarbonyl)ethyl)-7-nitro-1,2,3,4-tetrahydroisoquinoline.
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Reference£º
Patent; Terumo Kabushiki Kaisha; US5789595; (1998); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem